Leviticus 15:25-27

‘If a woman has a discharge of blood for many days, other than at the time of her customary impurity, or if it runs beyond her usual time of impurity, all the days of her unclean discharge shall be as the days of her customary impurity. She shall be unclean. Every bed on which she lies all the days of her discharge shall be to her as the bed of her impurity; and whatever she sits on shall be unclean, as the uncleanness of her impurity. Whoever touches those things shall be unclean; he shall wash his clothes and bathe in water, and be unclean until evening.